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035 _aUPN01000090683
100 _aBorland, Melvin V.
222 _aECONOMICS OF EDUCATION REVIEW
245 _aOn the determination of the critical level of market concetration in education
300 _a165-169
362 _a12, No. 2, 1993
505 _aNoviembre 1993
653 0 _aCOMPETENCIA
653 0 _aEFICACIA DEL ADMINISTRADOR
653 0 _aMARCADORES
653 0 _aRENDIMIENTO ACADEMICO
700 _aHowsen, Roy M.
904 _aAC
_b028494
905 _aArticulo
999 _c73694
_d73694